1 files changed, 71 insertions, 0 deletions
diff --git a/meshmc/launcher/minecraft/mod/ModFolderModel_test.cpp b/meshmc/launcher/minecraft/mod/ModFolderModel_test.cpp
new file mode 100644
index 0000000000..12b0d44478
--- /dev/null
+++ b/meshmc/launcher/minecraft/mod/ModFolderModel_test.cpp
@@ -0,0 +1,71 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <QTest>
+#include <QTemporaryDir>
+#include "TestUtil.h"
+
+#include "FileSystem.h"
+#include "minecraft/mod/ModFolderModel.h"
+
+class ModFolderModelTest : public QObject
+{
+	Q_OBJECT
+
+  private slots:
+	// test for GH-1178 - install a folder with files to a mod list
+	void test_1178()
+	{
+		// source
+		QString source = QFINDTESTDATA("data/test_folder");
+
+		// sanity check
+		QVERIFY(!source.endsWith('/'));
+
+		auto verify = [](QString path) {
+			QDir target_dir(FS::PathCombine(path, "test_folder"));
+			QVERIFY(target_dir.entryList().contains("pack.mcmeta"));
+			QVERIFY(target_dir.entryList().contains("assets"));
+		};
+
+		// 1. test with no trailing /
+		{
+			QString folder = source;
+			QTemporaryDir tempDir;
+			ModFolderModel m(tempDir.path());
+			m.installMod(folder);
+			verify(tempDir.path());
+		}
+
+		// 2. test with trailing /
+		{
+			QString folder = source + '/';
+			QTemporaryDir tempDir;
+			ModFolderModel m(tempDir.path());
+			m.installMod(folder);
+			verify(tempDir.path());
+		}
+	}
+};
+
+QTEST_GUILESS_MAIN(ModFolderModelTest)
+
+#include "ModFolderModel_test.moc"